CY7C1021CV33-10BAXI(2008) 查看數據表（PDF） - Cypress Semiconductor
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CY7C1021CV33-10BAXI Datasheet PDF : 14 Pages
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CY7C1021CV33
Switching Waveforms (continued)
Figure 8. Write Cycle No. 3 (WE Controlled, LOW)
tWC
ADDRESS
tSCE
CE
tAW
tSA
tHA
tPWE
WE
tBW
BHE, BLE
DATA IO
tHZWE
tSD
tHD
tLZWE
Truth Table
CE
OE
WE BLE BHE IO1 – IO8 IO9 – IO16
Mode
Power
H
X
X
X
X High Z High Z Power Down
Standby (ISB)
L
L
H
L
L Data Out Data Out Read – All Bits
Active (ICC)
L
H Data Out High Z Read – Lower Bits Only
Active (ICC)
H
L High Z Data Out Read – Upper Bits Only
Active (ICC)
L
X
L
L
L Data In Data In Write – All Bits
Active (ICC)
L
H Data In High Z Write – Lower Bits Only
Active (ICC)
H
L High Z Data In Write – Upper Bits Only
Active (ICC)
L
H
H
X
X High Z High Z Selected, Outputs Disabled Active (ICC)
L
X
X
H
H High Z High Z Selected, Outputs Disabled Active (ICC)
Document Number: 38-05132 Rev. *I
Page 9 of 14
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